380 Notices respecting New BooJcs. 



which associate the Muscles of the Chest, in the Actions of 

 Bi'eathing, Speaking, and Expression. By Charles Bell, Esq. 

 — Experiments and Observations on the Newry Pitch-stone, 

 and its Products ; and on the Formation of Pumice. By the 

 Rt. Hon. Geo. Knox. — Observations on the Changes the Egg 

 undergoes during Incubation in the common Fowl, illustrated 

 by microscopical Drawings. By Sir Everard Home, Bart. — 

 Some Observations on Corrosive Sublimate. By John Davy, 

 M.D. — On the State of Water and Aeriform Matter in 'Ca- 

 vities found in certain Crystals. By Sir Humphry Davy, Bart. 

 — Some Experiments on the Changes which take place in the 

 fixed Principles of the Egg during Incubation. By William 

 Prout, M.D. — On the Placenta. By Sir Everard Home, Bart. 

 — Of the Geographical Situation of the Three Presidencies, 

 Calcutta, Madras, and Bombay, in the East Indies. By 

 J. Goldingham, Esq. — Of the Difference of Longitudes found by 

 Chronometer, and by correspondent Eclipses of the Satellites 

 of Jupiter; with some supplementary Information relative to 

 Madras, Bombay, and Canton; as also the Latitude and 

 Longitude of Point de Galle and the Friar's Hood. By 

 J. Goldingham, Esq. — Observations on the genus Planaria. 

 By J. R. Johnson, M.D. — Some Experiments and Researches 

 on the saline Contents of Sea-water, undertaken with a view 

 to correct and improve its chemical Analysis. By Alexander 

 Mercet, M.D. — On the ultimate Analysis of Vegetable and 

 Animal Substances. By Andrew Ure, M.D. 



The Cambridge P/iilosophical Soeietj/has }ust published a second 

 half-volume of Transactions: it contams the following papers: 

 Analysis of a native Phosphate of Copper from the Rhine : by 

 F. Lunn, Esq. — Upon the regular Crystallization of Water, and 

 upon the Form of its primary Crystals: by Dr. E. D. Clarke. — 

 On ths Application of Hydrogen Gas to produce a moving 

 Tower in Machinery ; with a Description of an Engine which is 

 moved by the Pressure of the Atmosphere upon a Vacuum caused 

 by Explosions of Hydrogen Gas and Atmospheric Airs: by Rev. W. 

 Cecil. — On a remarkable Peculiarity in tlie Law of the extraordi- 

 nary Refraction of differently coloured Rays exhibited by certain 

 Varieties of Apophyllite : by J. F. W. Herscliel, Esq — Notice of 

 the Astronomical Tables of Mohammed Abibeker Al Farsi, two 

 copies of which are preserved in the Public Library of the Univer- 

 sity of Cambridge: by Rev. Prof. Lee.— On Sounds excited in 

 Hydrogen Gas : by Professor Leslie. — On the Connexion of Gal- 

 vanism and Magnetism : by Rev. Professor Cumming. — On the 

 Application of Magnetism as a Measure of Electricity : by Rev. 

 Professor Cumming. — A Case of extensive Solution of the Stomach 

 I)y the Gastric Fluids after Death : by Dr. Haviland.— On the Phy- 

 sical Structure of the Lizard District of Cornwall: by the Rev, 



I'rofctbor 



